1.	Solve sin2 x - sin x + 1 = cos2 x for 0 x < 2.
		A.	0, ,	B.	0, , ,
		C.	0, , ,	D.	0, , ,
		Hint
	2.	Solve 2 cos + 1 < 0 for 0 < 2.
		A.	< < 2	B.	< <
		C.	< <	D.	0 < or < < 2
		Hint
	3.	Solve 4 sin2 x + 3 = 4 for principal values of x. Express solutions in radians.
		A.	,	B.	,
		C.	-,	D.	-,
		Hint
	4.	Solve + 1 = 2 sin x for all real values of x.
		A.	+ 2k	B.	+ k
		C.	k	D.	+ 2k
		Hint
	5.	Solve 4 sin2 x > 3 for 0 x .
		A.		B.
		C.	0 x	D.
		Hint